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From Kai Voigt...@123.org>
Subject Re: Hadoop with Netapp
Date Thu, 25 Aug 2011 07:01:31 GMT

Am 25.08.2011 um 08:58 schrieb Hakan ─░lter:

> We are going to create a new Hadoop cluster in our company, i have to get
> some advises from you:
> 1. Does anyone have stored whole Hadoop data not on local disks but
> on Netapp or other storage system? Do we have to store datas on local disks,
> if so is it because of performace issues?

HDFS and MapReduce benefit massively from local storage, so using any kind of remote storage
(SAN, Amazon S3, etc) will make things slower.

> 2. What do you think about running Hadoop nodes in virtual (VMware)
> servers?

Virtualization can make certain things easier to handle, but it's a layer that will eat resources.


Kai Voigt

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